Viral diseases can be deadly.Logical formLearned from89 sentences. A wreck can be deadly.Logical formLearned from88 sentences. A year can be deadly.Logical formLearned from88 sentences. Epidemics can be deadly.Logical formLearned from88 sentences. A disease can be deadly.Logical formLearned from88 sentences. A week can be deadly.Logical formLearned from87 sentences. A barrage can be deadly.Logical formLearned from87 sentences. A mad-cow disease can be deadly.Logical formLearned from87 sentences. A (guerrilla war) can be deadly.Logical formLearned from87 sentences. A (bombing attack) can be deadly.Logical formLearned from86 sentences. Rockets can be deadly.Logical formLearned from86 sentences. A syndrome can be deadly.Logical formLearned from86 sentences. A mixture can be deadly.Logical formLearned from86 sentences. Events can be deadly.Logical formLearned from85 sentences. A microbe can be deadly.Logical formLearned from85 sentences.